
#include "sdk_common.h"
#include <stdio.h>
#include <string.h>

const unsigned int   SHIFTER = 0x00FF;

const unsigned short TABLE[] = {
    0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50A5, 0x60C6, 0x70E7, 
    0x8108, 0x9129, 0xA14A, 0xB16B, 0xC18C, 0xD1AD, 0xE1CE, 0xF1EF, 
    0x1231, 0x0210, 0x3273, 0x2252, 0x52B5, 0x4294, 0x72F7, 0x62D6, 
    0x9339, 0x8318, 0xB37B, 0xA35A, 0xD3BD, 0xC39C, 0xF3FF, 0xE3DE, 
    0x2462, 0x3443, 0x0420, 0x1401, 0x64E6, 0x74C7, 0x44A4, 0x5485, 
    0xA56A, 0xB54B, 0x8528, 0x9509, 0xE5EE, 0xF5CF, 0xC5AC, 0xD58D, 
    0x3653, 0x2672, 0x1611, 0x0630, 0x76D7, 0x66F6, 0x5695, 0x46B4, 
    0xB75B, 0xA77A, 0x9719, 0x8738, 0xF7DF, 0xE7FE, 0xD79D, 0xC7BC, 
    0x48C4, 0x58E5, 0x6886, 0x78A7, 0x0840, 0x1861, 0x2802, 0x3823, 
    0xC9CC, 0xD9ED, 0xE98E, 0xF9AF, 0x8948, 0x9969, 0xA90A, 0xB92B, 
    0x5AF5, 0x4AD4, 0x7AB7, 0x6A96, 0x1A71, 0x0A50, 0x3A33, 0x2A12, 
    0xDBFD, 0xCBDC, 0xFBBF, 0xEB9E, 0x9B79, 0x8B58, 0xBB3B, 0xAB1A, 
    0x6CA6, 0x7C87, 0x4CE4, 0x5CC5, 0x2C22, 0x3C03, 0x0C60, 0x1C41, 
    0xEDAE, 0xFD8F, 0xCDEC, 0xDDCD, 0xAD2A, 0xBD0B, 0x8D68, 0x9D49, 
    0x7E97, 0x6EB6, 0x5ED5, 0x4EF4, 0x3E13, 0x2E32, 0x1E51, 0x0E70, 
    0xFF9F, 0xEFBE, 0xDFDD, 0xCFFC, 0xBF1B, 0xAF3A, 0x9F59, 0x8F78, 
    0x9188, 0x81A9, 0xB1CA, 0xA1EB, 0xD10C, 0xC12D, 0xF14E, 0xE16F, 
    0x1080, 0x00A1, 0x30C2, 0x20E3, 0x5004, 0x4025, 0x7046, 0x6067, 
    0x83B9, 0x9398, 0xA3FB, 0xB3DA, 0xC33D, 0xD31C, 0xE37F, 0xF35E, 
    0x02B1, 0x1290, 0x22F3, 0x32D2, 0x4235, 0x5214, 0x6277, 0x7256, 
    0xB5EA, 0xA5CB, 0x95A8, 0x8589, 0xF56E, 0xE54F, 0xD52C, 0xC50D, 
    0x34E2, 0x24C3, 0x14A0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405, 
    0xA7DB, 0xB7FA, 0x8799, 0x97B8, 0xE75F, 0xF77E, 0xC71D, 0xD73C, 
    0x26D3, 0x36F2, 0x0691, 0x16B0, 0x6657, 0x7676, 0x4615, 0x5634, 
    0xD94C, 0xC96D, 0xF90E, 0xE92F, 0x99C8, 0x89E9, 0xB98A, 0xA9AB, 
    0x5844, 0x4865, 0x7806, 0x6827, 0x18C0, 0x08E1, 0x3882, 0x28A3, 
    0xCB7D, 0xDB5C, 0xEB3F, 0xFB1E, 0x8BF9, 0x9BD8, 0xABBB, 0xBB9A, 
    0x4A75, 0x5A54, 0x6A37, 0x7A16, 0x0AF1, 0x1AD0, 0x2AB3, 0x3A92, 
    0xFD2E, 0xED0F, 0xDD6C, 0xCD4D, 0xBDAA, 0xAD8B, 0x9DE8, 0x8DC9, 
    0x7C26, 0x6C07, 0x5C64, 0x4C45, 0x3CA2, 0x2C83, 0x1CE0, 0x0CC1, 
    0xEF1F, 0xFF3E, 0xCF5D, 0xDF7C, 0xAF9B, 0xBFBA, 0x8FD9, 0x9FF8, 
    0x6E17, 0x7E36, 0x4E55, 0x5E74, 0x2E93, 0x3EB2, 0x0ED1, 0x1EF0
};

unsigned short CRC16_CCITT_calc(unsigned char input[], int length, unsigned short crc /*=0x0000*/) {
    int i = 0;
    for(; i < length; i++) {
        unsigned short  tableValue = TABLE[((crc >> 8) ^ *(char*)input++) & SHIFTER];
        crc = (crc << 8) ^ tableValue;
    }

    return crc;
}



static int16_t random_lake[200]={0};
static uint8_t random_idx = 0;
uint16_t ya_3rd_pkg_random_lake_put(int16_t random)
{
    uint16_t size = sizeof(random_lake) /2;
    random_idx ++;
    if(random_idx >= size){
        random_idx = 0;
    }
    random_lake[random_idx] =random;
    return random_idx;
}

int ya_3rd_pkg_random_lake_check(int16_t random)
{
    if(random == 0){
        return 0; //just return
    }

    uint16_t i = 0;
    uint16_t size = sizeof(random_lake) /2;
    for(;i< size;i++){
        if(random == random_lake[i]){
            return 1;//exist
        }
    }

    //do not found,put into the random lake
    ya_3rd_pkg_random_lake_put(random);

    return  0;
}




const unsigned char Num2CharTable[16] = "0123456789ABCDEF";

void sdk_utils_hexArray2string(uint8_t *hexarray, uint16_t length, char *string)
{
    int i = 0;
	while(i < length)
	{
	    *(string++) = Num2CharTable[(hexarray[i] >> 4) & 0x0f];
		*(string++) = Num2CharTable[hexarray[i] & 0x0f];
		i++;
	}
	*string = 0x0;
}

int sdk_utils_string2hexArray(uint8_t *hexarray,uint16_t length, char *string)
{
	uint16_t index = 0, array_index = 0, total_len = 0;
	uint8_t value = 0;

	total_len = strlen(string);
	if ((2*length) < total_len)
		return -1;

	for(index = 0; index < total_len; index++)
	{
		if (string[index] >= 'a' && string[index] <= 'f')
			value = string[index] - 'a' + 10;
		else if (string[index] >= 'A' && string[index] <= 'F')
			value = string[index] - 'A' + 10;
		else if (string[index] >= '0' && string[index] <= '9')
			value = string[index] - '0';
		else
			return -1;
			
		if (index % 2 == 0)
		{
			hexarray[array_index] = (value << 4);
		}else
		{
			hexarray[array_index] += value;
			array_index++;
		}
	}

	return array_index;
}


char *sdk_utils_int_to_string(uint32_t value)
{
	static char change_string[33];

	memset(change_string, 0, 33);
	snprintf(change_string, 33, "%d", value);
	return change_string;
}

void sdk_utils_bin2hex(char *s, const unsigned char *p, uint32_t len)
{
	int i;
	static const char hex[16] = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};

	for (i = 0; i < (int)len; i++) {
		*s++ = hex[p[i] >> 4];
		*s++ = hex[p[i] & 0xF];
	}
	*s++ = '\0';
}
